package com.wcx.structure.exterior;

/**
 * 项目: design-pattern-githupdemo
 * <p>
 * 功能描述:
 *
 * @author: WuChengXing
 * @create: 2021-01-12 15:52
 **/
public class Projector {
    public void on() {
        System.out.println("打开投影仪");
    }

    public void off() {
        System.out.println("关闭投影仪");
    }

    public void open() {
        System.out.println("放下投影仪");
    }

    public void close() {
        System.out.println("收起投影仪");
    }
}
